SG80094A1 - Methods and apparatus for scanning an object in a computed tomography system - Google Patents

Methods and apparatus for scanning an object in a computed tomography system

Info

Publication number
SG80094A1
SG80094A1 SG200002007A SG200002007A SG80094A1 SG 80094 A1 SG80094 A1 SG 80094A1 SG 200002007 A SG200002007 A SG 200002007A SG 200002007 A SG200002007 A SG 200002007A SG 80094 A1 SG80094 A1 SG 80094A1
Authority
SG
Singapore
Prior art keywords
scanning
methods
computed tomography
tomography system
computed
Prior art date
Application number
SG200002007A
Other languages
English (en)
Inventor
Michael Edic Peter
Horst Pfoh Armin
Original Assignee
Gen Electric
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Publication of SG80094A1 publication Critical patent/SG80094A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pulmonology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
SG200002007A 1999-04-20 2000-04-07 Methods and apparatus for scanning an object in a computed tomography system SG80094A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/295,481 US6175609B1 (en) 1999-04-20 1999-04-20 Methods and apparatus for scanning an object in a computed tomography system

Publications (1)

Publication Number Publication Date
SG80094A1 true SG80094A1 (en) 2001-04-17

Family

ID=23137906

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200002007A SG80094A1 (en) 1999-04-20 2000-04-07 Methods and apparatus for scanning an object in a computed tomography system

Country Status (6)

Country Link
US (1) US6175609B1 (de)
EP (1) EP1046903B1 (de)
JP (1) JP3377496B2 (de)
BR (1) BR0001638B1 (de)
DE (1) DE60033723T2 (de)
SG (1) SG80094A1 (de)

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US20020081010A1 (en) * 2000-12-21 2002-06-27 Chang Yun C. Method and system for acquiring full spine and full leg images using flat panel digital radiography
US7664223B1 (en) * 2001-02-12 2010-02-16 Sectra Mamea Ab Collimator element
US6687326B1 (en) 2001-04-11 2004-02-03 Analogic Corporation Method of and system for correcting scatter in a computed tomography scanner
DE10201321B4 (de) * 2002-01-15 2011-02-24 Siemens Ag Computertomographie-Gerät und Verfahren mit aktiver Anpassung der Mess-Elektronik
US6879657B2 (en) * 2002-05-10 2005-04-12 Ge Medical Systems Global Technology, Llc Computed tomography system with integrated scatter detectors
US6748047B2 (en) * 2002-05-15 2004-06-08 General Electric Company Scatter correction method for non-stationary X-ray acquisitions
US20040019275A1 (en) * 2002-07-23 2004-01-29 Maria Iatrou Method and apparatus for positioning a CT reconstruction window
US6956926B2 (en) * 2002-07-23 2005-10-18 General Electric Company Method and apparatus for selecting a reconstruction projection set
DE10317679B4 (de) * 2003-04-17 2005-03-31 Bruker Axs Gmbh Röntgen-optische Vorrichtung mit Wobbel-Einrichtung
US6876718B2 (en) * 2003-06-27 2005-04-05 Ge Medical Systems Global Technology Company, Llc Scatter correction methods and apparatus
JP3942178B2 (ja) * 2003-07-29 2007-07-11 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線ｃｔシステム
JP3999179B2 (ja) * 2003-09-09 2007-10-31 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線断層撮影装置
JP3961468B2 (ja) * 2003-09-19 2007-08-22 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線計算断層画像装置およびそれに用いる放射線検出器
JP4906512B2 (ja) 2003-11-24 2012-03-28 パスポート システムズ， インク． 核共鳴蛍光画像化を用いた物質の適応走査
US8180019B2 (en) * 2003-11-24 2012-05-15 Passport Systems, Inc. Methods and systems for computer tomography of nuclear isotopes using nuclear resonance fluorescence
JP3950855B2 (ja) * 2004-01-07 2007-08-01 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 散乱測定方法、散乱補正方法およびｘ線ｃｔ装置
EP1766380B1 (de) * 2004-07-08 2020-06-10 Passport Systems, Inc. Verfahren und systeme zur bestimmung der mittleren atomzahl und masse von materialien
EP3124960B1 (de) * 2005-02-22 2018-05-09 Passport Systems, Inc. Verwendung von fast monochromatischen und abstimmbaren photonenquellen mit kernresonanzfluoreszenz bei der nichtintrusiven inspektion von behältern zur materialdetektion und bildgebung
US7372262B2 (en) * 2005-11-09 2008-05-13 Passport Systems, Inc. Methods and systems for active non-intrusive inspection and verification of cargo and goods
JP4586987B2 (ja) * 2005-11-24 2010-11-24 株式会社島津製作所 Ｘ線ｃｔ装置
JP2007333509A (ja) * 2006-06-14 2007-12-27 Hitachi Engineering & Services Co Ltd 放射線を用いた断層撮影装置及び断層撮影方法
US7539283B2 (en) * 2007-01-17 2009-05-26 Ge Homeland Protection, Inc. Combined computed tomography and nuclear resonance fluorescence cargo inspection system and method
US8184767B2 (en) * 2008-12-10 2012-05-22 General Electric Company Imaging system and method with scatter correction
WO2010141839A2 (en) * 2009-06-04 2010-12-09 Virginia Tech Intellectual Properties, Inc. Multi-parameter x-ray computed tomography
US8483351B2 (en) 2009-10-28 2013-07-09 Virginia Tech Intellectual Properties, Inc. Cardiac computed tomography methods and systems using fast exact/quasi-exact filtered back projection algorithms
EP3146526B1 (de) 2014-05-19 2018-12-26 3Shape A/S Radiographiesystem und verfahren zur verminderung der bewegungsunschärfe und diffusionsstrahlung
US10746671B2 (en) * 2015-03-06 2020-08-18 Ge Sensing & Inspection Technologies Gmbh Imaging system and method with scatter correction
CN109996494B (zh) * 2016-12-20 2023-05-02 深圳帧观德芯科技有限公司 具有x射线检测器的图像传感器
WO2019041223A1 (en) * 2017-08-31 2019-03-07 Shenzhen United Imaging Healthcare Co., Ltd. METHOD AND SYSTEM FOR DETERMINING FOCAL CT POINT
US10948428B2 (en) 2018-05-25 2021-03-16 Delavan Inc. Reducing scatter for computed tomography
JP7178204B2 (ja) * 2018-08-08 2022-11-25 セメス株式会社 Ｘ線検査装置、ｘ線検査方法
JP7187408B2 (ja) * 2019-09-06 2022-12-12 富士フイルム株式会社 トモシンセシス撮影装置
US11141128B2 (en) 2019-12-13 2021-10-12 General Electric Company Systems and methods for focal spot motion detection and correction
US11662321B2 (en) * 2020-10-09 2023-05-30 Baker Hughes Oilfield Operations Llc Scatter correction for computed tomography imaging
US11698349B2 (en) * 2020-10-09 2023-07-11 Baker Hughes Oilfield Operations Llc Scatter correction for computed tomography imaging
CN115135246A (zh) * 2020-11-25 2022-09-30 深圳帧观德芯科技有限公司 使用具有多个辐射检测器的图像传感器的成像方法

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FR2372618A1 (fr) * 1976-12-02 1978-06-30 Emi Ltd Dispositif de collimation pour rayons penetrants et application a la tomographie axiale
US4672648A (en) * 1985-10-25 1987-06-09 Picker International, Inc. Apparatus and method for radiation attenuation
US4691332A (en) * 1983-03-14 1987-09-01 American Science And Engineering, Inc. High energy computed tomography

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GB1571509A (en) * 1976-03-03 1980-07-16 Emi Ltd Radiography
DE3316003A1 (de) * 1983-05-03 1984-11-08 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zur beseitigung von streustrahlung
US4707608A (en) * 1985-04-10 1987-11-17 University Of North Carolina At Chapel Hill Kinestatic charge detection using synchronous displacement of detecting device
JPS61249452A (ja) * 1985-04-30 1986-11-06 株式会社東芝 Ｘ線診断装置
JPH0763464B2 (ja) * 1986-05-07 1995-07-12 株式会社東芝 Ｘ線ｃｔ装置
US5144141A (en) 1991-08-19 1992-09-01 General Electric Company Photodetector scintillator radiation imager
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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372618A1 (fr) * 1976-12-02 1978-06-30 Emi Ltd Dispositif de collimation pour rayons penetrants et application a la tomographie axiale
US4691332A (en) * 1983-03-14 1987-09-01 American Science And Engineering, Inc. High energy computed tomography
US4672648A (en) * 1985-10-25 1987-06-09 Picker International, Inc. Apparatus and method for radiation attenuation

Also Published As

Publication number Publication date
JP2000321221A (ja) 2000-11-24
DE60033723T2 (de) 2007-11-29
BR0001638B1 (pt) 2011-11-16
EP1046903B1 (de) 2007-03-07
BR0001638A (pt) 2001-01-02
EP1046903A2 (de) 2000-10-25
EP1046903A3 (de) 2003-01-22
DE60033723D1 (de) 2007-04-19
JP3377496B2 (ja) 2003-02-17
US6175609B1 (en) 2001-01-16

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